Home / 228,096,000.40-342,144,000.60-137,172,787.60

Finding the Fourth Proportional to 228,096,000.40, 342,144,000.60 and 137,172,787.60

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Solution

The fourth proportional to 228,096,000.40, 342,144,000.60 and 137,172,787.60 is: 205,759,181.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,096,000.40 : 342,144,000.60 = 137,172,787.60 : x
  2. Step 2: Convert to fraction form
    228,096,000.40/342,144,000.60 = 137,172,787.60/x
  3. Step 3: Cross multiply
    228,096,000.40x = 342,144,000.60 × 137,172,787.60
  4. Step 4: Simplify right side
    228,096,000.40x = 46,932,846,322,918,072
  5. Step 5: Solve for x
    x = 46,932,846,322,918,072/228,096,000.40
  6. Step 6: Final answer
    x = 205,759,181.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.